Question

The cost of a pen is rupees 2 more than twice the cost of a pencil express this situation in linear equation of two variables
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Answer 1

Answer:

Let the cost of pencil = Rs x

and the cost of pen = Rs y

According to the question,

y = 2x + 2

implies that 2x - y = -2

Answer 2

Answer:

c of pen

$= 2 + 2 \times cost \: of \: pencil$

Ans = 2+2× cost of pencil